Is insomnia caused by insufficient blood?

Insomnia may be caused by deficiency of qi and blood.

Deficiency of qi and blood is a common disease in traditional Chinese medicine, including qi deficiency and blood deficiency. The patient's zang-fu function is impaired and causes premature aging. In addition to insomnia and dreaminess, the patient may also be accompanied by dizziness, tinnitus, weakness of limbs, palpitations and shortness of breath, cold limbs, fatigue and

lethargy.